/ Dictionary / Index O oil of lavender: Meaning and Definition of Find definitions for: oil' of lav'ender Pronunciation: [key] an essential oil distilled from lavender flowers, esp. Lavandula angustifolia and L. stoechas, and used in perfumery. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. oil of catechumens oil of the sick Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language